201244420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{774017}}^1$

素因数の和:774039

約数の個数: 24

約数和(自身を含む): 455122584

約数和(自身を除く): 253878164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 774017, 1548034, 3096068, 3870085, 7740170, 10062221, 15480340, 20124442, 40248884, 50311105, 100622210, 201244420]

約数ペア:

[(1, 201244420), (2, 100622210), (4, 50311105), (5, 40248884), (10, 20124442), (13, 15480340), (20, 10062221), (26, 7740170), (52, 3870085), (65, 3096068), (130, 1548034), (260, 774017)]